2111102121112 has 64 divisors (see below), whose sum is σ = 4169329401600. Its totient is φ = 1000150208640.

The previous prime is 2111102121101. The next prime is 2111102121133. The reversal of 2111102121112 is 2111212011112.

It is a super-2 number, since 2×2111102121112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102415687 + ... + 102436297.

It is an arithmetic number, because the mean of its divisors is an integer number (65145771900).

Almost surely, 2^{2111102121112} is an apocalyptic number.

It is an amenable number.

2111102121112 is a deficient number, since it is larger than the sum of its proper divisors (2058227280488).

2111102121112 is a wasteful number, since it uses less digits than its factorization.

2111102121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25856 (or 25852 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 2111102121112 its reverse (2111212011112), we get a palindrome (4222314132224).

The spelling of 2111102121112 in words is "two trillion, one hundred eleven billion, one hundred two million, one hundred twenty-one thousand, one hundred twelve".